Banzhang ancient tree tea is the most expensive tea in Wuliangshan, Nanjian, Yunnan. Banzhang Ancient Tree Tea Laobanzhangzhai Ancient Tree Tea refers to Yunnan compact tea which is pressed by the ancient tea tree big leaf tree sun-dried green tea in Laobanzhang Village, Brown Mountain Township, Menghai County, Xishuangbanna Prefecture, Yunnan Province, and has the reputation of tea king in the industry. According to the product form, it can be divided into tuocha, brick tea, cake tea and loose tea, and according to the processing technology, it can be divided into raw tea and cooked tea.